🚀 Fix: Update AI pricing to Flash-Lite and fix build lint error

backend/src/modules/invoices/invoice.processor.ts

@@ -115,11 +115,11 @@ export class InvoiceProcessor {
    * حساب تكلفة استخدام Gemini بناءً على التسعيرة الحالية
    */
   private calculateCost(usage: any): number {
-    // Gemini 1.5 Flash Pricing (as of late 2024):
-    // Prompt: $0.075 / 1M tokens
-    // Completion: $0.30 / 1M tokens
-    const promptCost = (usage.promptTokens / 1000000) * 0.075;
-    const completionCost = (usage.completionTokens / 1000000) * 0.30;
+    // Gemini 1.5 Flash-Lite Pricing (from user .env):
+    // Prompt: $0.10 / 1M tokens
+    // Completion: $0.40 / 1M tokens
+    const promptCost = (usage.promptTokens / 1000000) * 0.10;
+    const completionCost = (usage.completionTokens / 1000000) * 0.40;
     return promptCost + completionCost;
   }
 

frontend/src/pages/dashboard/RiskMonitorPage.tsx

@@ -3,9 +3,8 @@ import {
     AlertTriangle, 
     ShieldAlert, 
     FileWarning, 
-    ChevronRight, 
     Search, 
-    Filter,
+    Filter, 
     Loader2,
     Building2,
     Calendar,